amorphous

a-mor-phous

adjective

Lacking a definite shape, form, or crystalline structure.

"The amorphous blob slowly expanded."

adjective

Without clear structure, organisation, or character; ill-defined.

"Their amorphous plans lacked direction."

Thesaurus

Synonyms: shapeless, formless, unformed, inorganic, unstructured, unclear, uncrystallised, uncrystallized, noncrystalline